murdoch is a big backer of republicans. if more momentum builds for probes into possible hacking in the united states or even congressional hearings, there are cautionary tales for lawmakers, reports that tabloids sometimes turntables for those who investigate them. most of those accounts date back to well before the scandal blew back in the media in recent weeks. media standards trust tells us when british parliamentarians look into the tabloid press a couple of years ago, he heard allegations that they were discouraged from repeatedly inviting rebecca brooks, one of murdoch's top execs to receive. >> the allegation was they were told, members were told do not invite her again. do not press this one, do not push it because if you do, you're regret it. and that was made very clear to them. >> reporter: contacted by cnn, a news corporation spokeman would not comment on that allegation. >> are you concerned they might hit back at you, dig into your personal life or whatever? >> i'm not worried about my personal life nor am i